Class: RailsDbViews::DbViewsCreator

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_db_views/db_views_creator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DbViewsCreator

Returns a new instance of DbViewsCreator.



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# File 'lib/rails_db_views/db_views_creator.rb', line 4

def initialize
  @views = {}
end

Instance Attribute Details

#views ⇒ Object (readonly)

Returns the value of attribute views.



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# File 'lib/rails_db_views/db_views_creator.rb', line 2

def views
  @views
end

Instance Method Details

#create_views ⇒ Object 



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# File 'lib/rails_db_views/db_views_creator.rb', line 46

def create_views
  reset_views_status!
  @views.each{ |name, view|
    create_view name, view
  }
end

#drop_views ⇒ Object 



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# File 'lib/rails_db_views/db_views_creator.rb', line 39

def drop_views
  reset_views_status!
  @views.each{ |name, view|
    drop_view name, view
  }
end

#register_files(files) ⇒ Object 



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# File 'lib/rails_db_views/db_views_creator.rb', line 8

def register_files files
  files.each do |file|
    view_name = File.basename(file, File.extname(file))

    content = File.read(file)
    content_lines = content.split("\n")

    # Reject the commented lines from the file
    sql_content = content_lines.reject{ |x| x.strip =~ /^--/ || x.strip =~ /^#/ }.join("\n")

    file_obj = { path: file, sql_content: sql_content, status: :none, requires: [] }

    # Detect directives in commentary
    directives = content_lines.select{ |x| x.strip =~ /^--/ || x.strip =~ /^#/ }.map(&:strip).map{ |x| 
      x =~ /^--/ ? x[2..-1] : x[1..-1]
    }.select{|x| x =~ /^!/ }

    directives.each do |directive|
      if directive =~ /^!require / #Currently only the require directive exists.
        file_obj[:requires] += directive.split(" ")[1..-1]
      end
    end

    if @views[view_name]
      puts "WARNING: #{view_name} already defined in `#{@views[view_name][:path]}`. Will be ignored and we use `#{file_obj[:path]}`..."
    end

    @views[view_name] = file_obj
  end
end